Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Ashe Co., North Carolina, USA

Oldest recorded age at locality: 482.51
Youngest recorded age at locality: 318.14

mindat Locality ID: 24412
mindat URL: http://www.mindat.org/loc-24412.html

Tectonic Settings:

Total number of sublocalities beneath "Ashe Co., North Carolina, USA": 131
Total number of bottom-level sublocalities: 117

Number of Child Localities: 87
Child Localities:
Ashe Mining Company Magnetite Mine (Waughbank Property; Marble Magnetite; Ballou's Horse Creek Ore Bank)
Ashe Mining Company's Mine (Lansing Mine)
Ashe Quarry
Ballou Magnetite Belt
Barnard Jones Mine
Bauguess Occurrence
Beaver Creek
Beaver Creek Mine
Benge Gap Prospect
Buck Mountain Mine
Buffalo Quarry
Byard Houck Prospect
C. Pennington Prospect
Calloway Property Prospect
Chestnut Hill
Conner Prospect
Coon Den Mine
Counceil Prospect
Creston
Crumpler
David Blevins Prospect
Douglas Blevins Prospect
Dr. Jones Prospect
Dresden
Dugerty Mine
Duncan Prospect
Eller Property Prospect
Foster Mine
Gap Creek
Gap Creek Mine
George Caborn Prospect
Goodman Mine
Granite Quarry (MRDS - 10074532)
Greene Prospect
Hampton Prospect
Hodson Prospect
Houck Mine
Howell Prospect
Jefferson
Jefferson-Boone Pegmatite
Joe Woods Magnetite Prospect
Johnson Mine
King Magnetite Prospect
Kirby Magnetite Prospect
Laws Prospect
Lee Price Prospect
Lichtenstein Prospect (Church Copper Prospect)
Little Mine
Little Phoenix Mine
Little Prospect No. 1
Little Prospect No. 2
Luther Mine
McCarter Occurrence
Miller Prospect
Mount Rogers Formation
Nathans Creek
NC 221 Bridge - New River Crossing Site
Niece Prospect
Ore Knob
Pennington Occurrence
Perkins Prospect
Pine Orchard Mine
Poison Branch Belt Of Deposits
Rash Mine
Reed Mine
Reeves Prospect
Rich Howell Prospect
Roark Prospect
S. Lunceford Prospect
Shatley Springs
Sheppard Mine
Sheppard Prospect
Smithport Quarry
Speers Mine
Sturgills
Tarkington Mine
Tirby Prospect
Todd
Tom Duncan Mine
Tucker Mine
W. H. Brown Prospect
Walls Mine
Walnut Knob Mine
Walnut Knob Prospects
Warrensville
West Jefferson
Young Occurrence

Latitude: 36°29'59"N
Longitude: 81°28'29"W
Decimal Degree (lat, lon): 36.499722222222,-81.474722222222

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Allanite	Allophane	Amorphous	Amphibole	Apophyllite	Arsenopyrite	Baryte	Beryl	Calcite	Chalcopyrite
Chlorite	Clay	Clinozoisite	Columbite	Copper	Corundum	Epidote	Feldspar	Fluorite	Garnet
Kaolinite	Malachite	Marcasite	Mica	Nickeline	Nolanite	None	Not in a structural group	Pyrite	Pyroxene
Quartz	Rocksalt	Rutile	Smectite-vermiculite	Sphalerite	Spinel	Staurolite	Talc	Tetrahedrite	Thomsonite
Tourmaline	Wollastonite

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ag Al As Au B Ba Be C Ca Ce Cr Cu F Fe H K Mg Mn Na O Pb S Sb Si Ta Ti Zn

Elements from minerals reported directly at this locality: Al C Ca Ce Cr Fe H Mg Mn Na O Si

Structural Groups for minerals in this locality:
Allanite Allophane Amorphous Amphibole Apophyllite Arsenopyrite Baryte Beryl Calcite Chalcopyrite
Chlorite Clay Clinozoisite Columbite Copper Corundum Epidote Feldspar Fluorite Garnet
Kaolinite Malachite Marcasite Mica Nickeline Nolanite None Not in a structural group Pyrite Pyroxene
Quartz Rocksalt Rutile Smectite-vermiculite Sphalerite Spinel Staurolite Talc Tetrahedrite Thomsonite
Tourmaline Wollastonite

71 IMA Minerals at location:

Actinolite ()*	Aegirine ()*	Alabandite ()*	Albite ()*	Allanite-(Ce) ()*
Almandine ()*	Ankerite ()*	Anthophyllite ()*	Arsenopyrite ()*	Augite ()*
Azurite ()*	Baryte ()*	Beryl ()*	Bornite ()*	Calcite ()*
Chalcocite ()*	Chalcopyrite ()*	Chromite ()*	Chrysocolla ()*	Clinochlore ()*
Clinozoisite ()*	Copper ()*	Cummingtonite ()*	Cuprite ()*	Diopside ()*
Dolomite ()*	Dravite ()*	Enstatite ()*	Epidote ()*	Ferrihydrite ()*
Fluorite ()*	Gahnite ()*	Galena ()*	Gold ()*	Graphite ()*
Hematite ()*	Hisingerite ()*	Hydroxyapophyllite-(K) ()*	Ilmenite ()*	Kaolinite ()*
Kyanite ()*	Magnesio-hornblende ()*	Magnetite ()*	Malachite ()*	Marcasite ()*
Microcline ()*	Muscovite ()*	Opal ()*	Pargasite ()*	Phlogopite ()*
Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Riebeckite ()*	Rutile ()*
Schorl ()*	Siderite ()*	Sillimanite ()*	Silver ()*	Spessartine ()*
Sphalerite ()*	Staurolite ()*	Talc ()*	Tantalite-(Fe) ()*	Tetrahedrite-(Zn) ()*
Thomsonite-Ca ()*	Tremolite ()*	Tschermakite ()*	Vermiculite ()*	Wollastonite ()*
Zoisite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂	482.51	318.14	3	249150,249211,249231	3419
Aegirine ()*	Pyroxene	NaFe³⁺Si₂O₆			1	249225	1022
Alabandite ()*	Rocksalt	MnS	482.51	318.14	1	249231	312
Albite ()*	Feldspar	Na(AlSi₃O₈)	482.51	318.14	1	249231	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)	482.51	318.14	0		706
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃	482.51	318.14	1	249231	2353
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	482.51	318.14	1	249231	3092
Anthophyllite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	482.51	318.14	2	249231,249268	718
Arsenopyrite ()*	Arsenopyrite	FeAsS	482.51	318.14	1	249231	9052
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆	482.51	318.14	1	249231	2060
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂	482.51	318.14	2	249204,249231	5509
Baryte ()*	Baryte	Ba(SO₄)	482.51	318.14	1	249231	11547
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈			13	249160,249161,249162,249172,249188,249215,249219,249220,249224,249259,249262,249273,249278	4286
Bornite ()*	None	Cu₅FeS₄	482.51	318.14	3	249193,249194,249231	5516
Calcite ()*	Calcite	Ca(CO₃)	482.51	318.14	4	249150,249213,249217,249231	27770
Chalcocite ()*	None	Cu₂S	482.51	318.14	3	249193,249194,249231	5707
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	482.51	318.14	3	249193,249194,249231	27198
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	482.51	318.14	0		3902
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O	482.51	318.14	3	249193,249194,249231	3531
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	482.51	318.14	1	249231	1756
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	482.51	318.14	2	249217,249231	1025
Copper ()*	Copper	Cu	482.51	318.14	2	249217,249231	3846
Cummingtonite ()*	Amphibole	Mg₂Mg₅Si₈O₂₂(OH)₂	482.51	318.14	0		327
Cuprite ()*	Not in a structural group	Cu₂O	482.51	318.14	1	249231	2970
Diopside ()*	Pyroxene	CaMgSi₂O₆	482.51	318.14	1	249231	4135
Dolomite ()*	None	CaMg(CO₃)₂			1	249150	9895
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	482.51	318.14	1	249231	648
Enstatite ()*	Pyroxene	Mg₂Si₂O₆			1	249268	944
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	482.51	318.14	25	249150,249153,249154,249155,249156,249169,249177,249184,249193,249199,249214,249217,249231,249236,249238,249239,249240,249241,249242,249243,249244,249245,249246,249247,249248	8173
Ferrihydrite ()*	Nolanite	Fe³⁺₁₀O₁₄(OH)₂	482.51	318.14	1	249231	86
Fluorite ()*	Fluorite	CaF₂			1	249225	9617
Gahnite ()*	Spinel	ZnAl₂O₄	482.51	318.14	1	249231	445
Galena ()*	Rocksalt	PbS	482.51	318.14	1	249231	24243
Gold ()*	Copper	Au			2	249193,249194	30554
Graphite ()*	None	C	482.51	318.14	0		2812
Hematite ()*	Corundum	Fe₂O₃			18	249169,249179,249180,249181,249184,249190,249193,249199,249216,249229,249238,249239,249241,249244,249245,249246,249248,249271	14640
Hisingerite ()*	Kaolinite Clay	Fe₂Si₂O₅(OH)₄·2H₂O	482.51	318.14	1	249231	144
Hydroxyapophyllite-(K) ()*	Apophyllite	KCa₄Si₈O₂₀(OH,F)·8H₂O	482.51	318.14	1	249231	85
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃			2	249217,249232	5433
Kaolinite ()*	Clay Kaolinite	Al₂Si₂O₅(OH)₄			9	249164,249167,249200,249202,249212,249220,249221,249253,249272	5591
Kyanite ()*	Not in a structural group	Al₂OSiO₄			2	249204,249228	1507
Magnesio-hornblende ()*	Amphibole	Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂	482.51	318.14	0		238
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	482.51	318.14	38	249150,249153,249154,249155,249156,249158,249168,249169,249177,249179,249180,249184,249190,249199,249211,249213,249214,249216,249217,249223,249229,249231,249232,249236,249237,249238,249239,249240,249241,249242,249243,249244,249245,249246,249247,249248,249271,249279	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂	482.51	318.14	5	249193,249194,249204,249217,249231	12537
Marcasite ()*	Marcasite	FeS₂	482.51	318.14	1	249231	5674
Microcline ()*	Feldspar	K(AlSi₃O₈)	482.51	318.14	1	249231	4924
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	482.51	318.14	44	249160,249161,249162,249163,249164,249165,249167,249171,249172,249173,249188,249189,249191,249196,249198,249200,249201,249202,249210,249212,249215,249219,249220,249221,249222,249224,249231,249233,249249,249250,249251,249252,249253,249256,249259,249262,249266,249267,249269,249270,249272,249273,249274,249278	17380
Opal ()*	Amorphous	SiO₂·nH₂O	482.51	318.14	0		2994
Pargasite ()*	Amphibole	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂	482.51	318.14	0		313
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂			1	249150	2273
Pyrite ()*	Pyrite	FeS₂	482.51	318.14	7	249153,249177,249193,249194,249231,249246,249278	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	482.51	318.14	1	249231	9056
Quartz ()*	Quartz	SiO₂	482.51	318.14	58	249153,249156,249160,249161,249162,249163,249164,249165,249167,249171,249172,249173,249177,249178,249188,249189,249191,249196,249198,249200,249201,249202,249205,249206,249207,249208,249209,249212,249213,249215,249217,249219,249220,249221,249222,249224,249231,249233,249236,249244,249245,249248,249249,249250,249251,249252,249253,249255,249256,249259,249262,249269,249270,249272,249273,249274,249276,249278	61156
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂			1	249225	375
Rutile ()*	Rutile	TiO₂			2	249232,249279	5614
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			1	249210	2705
Siderite ()*	Calcite	Fe(CO₃)	482.51	318.14	1	249231	6417
Sillimanite ()*	Not in a structural group	Al₂SiO₅			1	249228	1516
Silver ()*	Copper	Ag			2	249193,249194	5186
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃	482.51	318.14	0		1214
Sphalerite ()*	Sphalerite	ZnS	482.51	318.14	1	249231	21482
Staurolite ()*	Staurolite	Fe²⁺₂Al₉Si₄O₂₃(OH)			2	249204,249228	978
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			2	249187,249268	3337
Tantalite-(Fe) ()*	Columbite	Fe²⁺Ta₂O₆			1	249264	99
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	482.51	318.14	1	249231	5317
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	482.51	318.14	1	249231	452
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	482.51	318.14	3	249211,249231,249268	2562
Tschermakite ()*	Amphibole	Ca₂(Mg₃Al₂)(Si₆Al₂)O₂₂(OH)₂	482.51	318.14	0		73
Vermiculite ()*	Clay Smectite-vermiculite	Mg_0.7(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄·8H₂O			1	249172	652
Wollastonite ()*	Wollastonite	CaSiO₃	482.51	318.14	1	249231	1247
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	482.51	318.14	1	249231	1025

10 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
USGS-Rb-Sr-02275	482.51	398.51	440.51±42	Rb-Sr	whole rock	17340	Ore Knob Mine, Ore Knob, Ashe Co., North Carolina, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02276	482.51	398.51	440.51±42	Rb-Sr	whole rock	17340	Ore Knob Mine, Ore Knob, Ashe Co., North Carolina, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02277	352.4	352.4	352.4	Rb-Sr	biotite	17340	Ore Knob Mine, Ore Knob, Ashe Co., North Carolina, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02278	482.51	398.51	440.51±42	Rb-Sr	whole rock	17340	Ore Knob Mine, Ore Knob, Ashe Co., North Carolina, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02279	482.51	398.51	440.51±42	Rb-Sr	whole rock	17340	Ore Knob Mine, Ore Knob, Ashe Co., North Carolina, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02291	318.14	318.14	318.14	Rb-Sr	biotite	17340	Ore Knob Mine, Ore Knob, Ashe Co., North Carolina, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02293	320.91	320.91	320.91	Rb-Sr	biotite	17340	Ore Knob Mine, Ore Knob, Ashe Co., North Carolina, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02294	331.26	331.26	331.26	Rb-Sr	biotite	17340	Ore Knob Mine, Ore Knob, Ashe Co., North Carolina, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02295	331.26	331.26	331.26	Rb-Sr	biotite	17340	Ore Knob Mine, Ore Knob, Ashe Co., North Carolina, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02296	331.26	331.26	331.26	Rb-Sr	biotite	17340	Ore Knob Mine, Ore Knob, Ashe Co., North Carolina, USA	USGS-Rb-Sr	USGS-Rb-Sr

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...